A silica glass rod has a diameter of1cmand is 10 cmlong. The ultimate strength of glass is `50 x 10^6 Nm^-2`. Estimate the largest mass that can be hung from it without breaking it. Take `g =10 N kg^-1`.

In the above problem if the the yield strength of steel is 2.5xx10^(8) N//m^(2) , then the maximum mass that can be hung at the lower end of the wire is

The mass of an object whose weight is 50 N is x kg. Find x. (Take g = 10 ms^(-2) )

Two blocks of masses 2 kg and 3kg are connected by a metal wire going over a smoother pulley as shown in figure. The breaking stress of the steel is 2xx10^(9)Nm^(-2) . What would be the minimum radius of the wire used if it not to break ? Take , g=10 ms^(-2)

The breaking tension of a string is 10 N. A particle of mass 0.1 kg tied to it is rotated along a horizontal circle of radius 0.5 meter. The maximum speed with which the particle can be rotated without breaking the string is

Two blocks of masses 1 kg and 2kg are connect by a metal wire going over a smooth pulley as shown in figure. The breaking stress of the metal is 2xx10^9m^-2 . What should be the minmum radius of the wire used if it is not to break? Take g=10ms^-2

A nylon rope 2 cm in diameter has a breaking strength of 1.5 xx 10^(5) N . The breaking strength of a similar rope 1cm in diameter is

The breaking stress for a metal is 7.8 xx 10^9 Nm^-2 . Calculate the maximum length of the wire of this metal which may be suspended breaking. The density of the metal = 7.8 xx 10^3kg m^-3 . Take g = 10 N kg^-1

Wires W_(1) and W _(2) are made of same material having the breaking stress of 1.25 xx 10 ^(9) N//m ^(2). W _(1) and W _(2) have cross-sectional area of 8 xx 10 ^(-7) m ^(2) and 4 xx 10 ^(-7) m ^(2), respectively. Masses of 20 kg and 10 kg hang from them as shown in the figure. The maximum mass that can be placed in the pan without breaking the wires is kg. (Use g = 10 m//s ^(2) )

The breaking stress for a metal is 9xx10^(10)Nm^(-2) The density of the metal is 9000kgm^(-3) . If g=10Nkg^(-1) , the maximum length of the wire made of this metal which may be suspended without breaking is 10^(k) m . Find the value of k.

Two blocks of masses 3 kg and 5 kg are connected by a metal wire going over a smooth pulley. The breaking stress of the metal is 24/pi xx 10^2 Nm^( - 2) . What is the minimum radius of the wire ? (take g=10ms^(-2) )